L.B. White Tradesman CP400, Owner'S Manual And Instructions

Page: 20 / 120

Tradesman Construction Heaters
www.lbwhite.com
Owner’s Manual • Tradesman
20
FIG. 26
C. Reading Pressures
1. With the heater operating, the pressure gauge must
read the pressures speci fi ed on the dataplate
2. Does the reading at the gas control valve agree with that
speci fi ed on the dataplate? If so, then no further check-
ing or adjustment is required. Proceed to section D.
3. If the inlet pressures do not agree with that speci fi ed on
the dataplate, then the regulator controlling gas pres-
sure to the heater requires adjustment.
D. Completion
1. Once the proper pressure has been con fi rmed and/
or properly set, close the fuel supply to the heater and
allow the heater to burn off any gas remaining in the gas
supply line.
2. Disconnect the heater from its electrical supply.
3. Remove the gauge.
4. Install pressure tap plug and tighten securely
5. Open the fuel supply and start the heater. Check for
gas leaks at the plug Set heater’s thermostat to desired
temperature.
Burner Orifice
Tools Required:
• Ratchet with extensions
• Tradesman 170: 9/16 in. socket
• Tradesman 400: 7/8 in. socket
A. Using the above tools, reach down the barrel of the
heater and loosen the ori fi ce from the center of the
burner plate.
B. Remove the ori fi ce. See Fig. 27 for Tradesman 170
and Fig. 28 for Tradesman 400.
C. Clean with air or a soft brush.
D. Ensure copper washer is installed onto ori
fi ce before
threading back into ori fi ce holder in burner plate.
E. See Fig. 29 for Tradesman 170 and Fig. 30 for
Tradesman 400.
FIG. 27
FIG. 28